Vasodilating agent

Abstract

A vasodilating agent and a hair growth promoting agent comprising an extract of hypericum erectum thunb as an effective component are disclosed. The hypericum erectum thunb extract is prepared from ground leaf, stem, root, fruit, seed, or flower of hypericum erectum thunb by extraction with an organic solvent. It is effective for curing or preventing diseases caused by disorder in blood circulation such as hypertension, angina pectories, myocardial infarction, congestive heart failure, frostbite, chilblain, cold constitution, and alopecia.

What is claimed is: 
     
       1. A method of promoting vasodilation in a subject in need of the same, comprising applying to the skin of said subject an amount of an agent effective to promote vasodilation in said subject, said agent consisting essentially of, as an active agent, an extract of hypericum erectum thunb, in a pharmacologically acceptable carrier. 
     
     
       2. The method of claim 1, wherein said extract is extracted from one or more portions of hypericum erectum thunb selected from the group consisting of leaf, stem, root, fruit, seed and flower. 
     
     
       3. The method of claim 1, wherein said extract is obtained by extraction with an organic solvent.